Parası kalmadığı için otobüse binemiyordur ailesi porno izle ona daha yeni para gönderdiği için tekrar porno istemeye utanınca mecburen otostop çekmek için youporn çantasını alarak yol kenarına gelir etekli porno liseli türk kız yol kenarında dururken yanına yaklaşan porno kibar bir gencin onu gideceği yere kadar bırakmak porno izle istemesine çok mutlu olur arabaya bindiklerinde gideceği yer ile porno arabayı kullanan adamın gittiği yer arasında çok mesafe sex izle farkı olduğunu anlayan türk kız bu yaptığı porno indir iyilik karşısında arabada ona memelerini açar porno sapıklaşan adam yol kenarındaki hotelde durarak porno izle üniversiteli otostop çeken türk kızına odada sakso çektirip sikerFormulation, Preparation, and Mechanical Characterization of Nitrile-Butadiene Rubber (NBR) Composites| Abstract

7187379870

All submissions of the EM system will be redirected to Online Manuscript Submission System. Authors are requested to submit articles directly to Online Manuscript Submission System of respective journal.

Abstract

Formulation, Preparation, and Mechanical Characterization of Nitrile-Butadiene Rubber (NBR) Composites

Author(s): Noor Aldeen Bawadukji and Rafi Jabra

The present research aims at preparing and characterizing of different formulations of NBR Krynac 3370F rubber with different contents of three inorganic reinforcing fillers: conventional N330 carbon black, nanometric aerosil 200 silica and micrometric volcanic tuff. In compounding rubber batches, the content of various additives (reaction activator; accelerator; plasticizer; anti-oxidant & vulcanizing agents) were fixed at the optimum known proportions and the reinforcing filler content has been varied between 10 and 100 phr. The study addressed, firstly, the determination of appropriate processing conditions for batches and testing samples preparation, and secondly the investigation of filler nature and content effects on the vulcanized rubber mechanical properties, namely, tensile strength, tensile elongation at break, Young modulus, toughness, and Shore A hardness based on ASTM D412 and DIN 53505. The present work showed the feasibility of changing reinforcing fillers content in NBR Krynac 3370F rubber within large interval enabling varying and improving its mechanical properties according to the requirement of various applications. The present work allowed also the comparison of carbon black, fumed Silica and volcanic tuff effects on processing conditions and mechanical properties of NBR Krynac 3370F rubber formulations.


Share this       
Google Scholar citation report
Citations : 337

Materials Science: An Indian Journal received 337 citations as per Google Scholar report

Indexed In

  • CASS
  • Google Scholar
  • Open J Gate
  • China National Knowledge Infrastructure (CNKI)
  • Cosmos IF
  • Directory of Research Journal Indexing (DRJI)
  • Secret Search Engine Labs

Read More

Flyer